Ista Stainless Check Valve (CO2 use)

Ista Stainless Check Valve is for use on CO2 systems, stopping the back-flow of water into the other equipment.

Compact sized, contains a stainless spring to assure no water back-flow. The arrow on the valve stands for air flow direction, simply connect air pipe to both sides of check valve.

Not for use with air pumps. This check valve can withstand the higher pressure of a CO2 system, so you have no more woes with CO2 tubing filled with water!